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/*
*
* Copyright 2015-2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
#define GRPC_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
#include "src/core/client_config/resolver.h"
#include "src/core/client_config/subchannel_factory.h"
#include "src/core/client_config/uri_parser.h"
typedef struct grpc_resolver_factory grpc_resolver_factory;
typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
/** grpc_resolver provides grpc_client_config objects to grpc_channel
objects */
struct grpc_resolver_factory {
const grpc_resolver_factory_vtable *vtable;
};
typedef struct grpc_resolver_args {
grpc_uri *uri;
grpc_subchannel_factory *subchannel_factory;
} grpc_resolver_args;
struct grpc_resolver_factory_vtable {
void (*ref)(grpc_resolver_factory *factory);
void (*unref)(grpc_resolver_factory *factory);
/** Implementation of grpc_resolver_factory_create_resolver */
grpc_resolver *(*create_resolver)(grpc_resolver_factory *factory,
grpc_resolver_args *args);
/** Implementation of grpc_resolver_factory_get_default_authority */
char *(*get_default_authority)(grpc_resolver_factory *factory, grpc_uri *uri);
/** URI scheme that this factory implements */
const char *scheme;
};
void grpc_resolver_factory_ref(grpc_resolver_factory *resolver);
void grpc_resolver_factory_unref(grpc_resolver_factory *resolver);
/** Create a resolver instance for a name */
grpc_resolver *grpc_resolver_factory_create_resolver(
grpc_resolver_factory *factory, grpc_resolver_args *args);
/** Return a (freshly allocated with gpr_malloc) string representing
the default authority to use for this scheme. */
char *grpc_resolver_factory_get_default_authority(
grpc_resolver_factory *factory, grpc_uri *uri);
#endif /* GRPC_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H */
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